User's Manual

SDB680 – INSTALLATION GUIDE TNM-I-E-0046
May 15 Page 16 POWER SUPPLIES
POWER SUPPLIES
For type approval reasons, this product should not be operated with unapproved supplies.
The equipment must be installed so that the IEC connector for the Wall or Rack Mount can be easily
removed and/or the power socket should be readily accessible.
Mains protective Earth should be checked for low impedance (<0.3 Ω).
All mains wiring must comply with local wiring regulations.
P OWER S UPPLY O PTIONS
The SDB680 Base Station is only available as a DC version, which uses an external DC power source. The
PSU tray can be used to supply the DC voltage required.
The switch mode supplies used in the wall mount and rack mount ancillaries are able to accept mains AC
voltage in the range of 85 V to 265 V @ 1.9 A, 47 Hz to 63 Hz. The output from the switched mode power
supply to the SDB680 Base Station is +14.0 Voltage Direct Current (VDC).
PSU T
RAY
The PSU Tray can be either a 1U or 2U rack tray with a front panel and is designed for use with an SDB680
Base Station in an enclosed 19” rack. Together, an SDB680 Base Station and the PSU Tray occupy a total of
either 3U or 4U of rack space.
The tray is supplied complete with a universal power supply, which can accept an IEC input of 100 V to 240
V AC (Voltage Alternating Current), at 50/60 Hz suitable for a single SDB680 Base Station. The voltage
range appropriate to the area of use is selectable on the universal PSU.
AC P
OWER
C
ORD
A 2 m long cable is used to connect the AC Mains Supply to the PSU tray in the rack mount. An appropriate
version of power cord, relevant to the area of use, is supplied with the PSU Tray. Relevant areas of use are
as follows:
United Kingdom.
Rest of Europe.
United States.